Supercalifragilisticexpialidocious is the third-longest word in the English language, having a total of thirty-four letters. However, it is not a word that appears in all dictionary, only a few.
The longest English word is also the longest word in the world, with almost 190,000 letters. It is the chemical name for titin, the largest protein known. The longest word in the English dictionary however, is the 45-letter word "pneumonoultramicroscopicsilicovolcanoconiosis", which refers to a lung disease.
You're ready for honorificabilitudinitatibus
These words may not come in handy anytime soon unless you're planning to visit Llanfairpwllgwyngyllgogerychwyrndrobwllllantysiliogogogoch or diagnose someone with a pneumonoultramicroscopicsilicovolcanoconiosis.
1. methionylthreonylthreonylglutaminylalanyl…isoleucine. You'll notice there's an ellipsis here, and that's because this word, in total, is 189,819 letters long, and it's the chemical name for the largest known protein, titin.
As we saw at the start of our hunt, the longest word according to a lot of sources is the technical name for the protein titin. It is the same across all languages and has nearly 200,000 letters. Here's a snippet of the first 4,000 characters!
That's called: Hippopotomonstrosesquippedaliophobia and it's one of the longest words in the dictionary.
It's Taumatawhakatangihangakoauauotamateaturipukakapikimaungahoronukupokaiwhenuakitanatahu. This 1,000-foot hill near the township Porangahau holds the Guinness World Record for longest place name with 85 characters.
floccinaucinihilipilification (29).
lopadotemachoselachogaleokranioleipsano...pterygon. 183. A fictional dish of food. Longest word coined by a major author, the longest word ever to appear in literature. Contrived nonce word; not in dictionary; Ancient Greek transliteration.
Supercalifragilisticexpialidocious is a nonsensical word that is sometimes used to describe something as being great or extraordinary. Supercalifragilisticexpialidocious is used especially by children and fans of Disney movies to describe something as being really good.
methionylthreonylthreonylglutaminylarginyl… At over 180,000 letters long, the chemical name of the protein titin is often said to technically be the longest English word. If spoken out loud, this word takes over three hours to say!
Taumatawhakatangihangakoauauotamateaturipukakapikimaungahoronukupokaiwhenuakitanatahu is a hill near Porangahau, south of Waipukurau in southern Hawke's Bay, New Zealand.
1,000,000,000 (one billion, short scale; one thousand million or one milliard, one yard, long scale) is the natural number following 999,999,999 and preceding 1,000,000,001. With a number, "billion" can be abbreviated as b, bil or bn. In standard form, it is written as 1 × 109.
"Post Office" starts with 'P', ends with 'E' and has a million letters in it.
The shortest word is a. Some might wonder about the word I since it consists of one letter, too. In sound, a is shorter because it is a monophthong (consists of one vowel), while I is a diphthong. Both do consist of one letter in the English writing system, and in most fonts I is the narrowest letter.
Pneumonoultramicroscopicsilicovolcanoconiosis is the longest word entered in the most trusted English dictionaries. The definition is "a lung disease caused by inhalation of very fine silicate or quartz dust."
Edit. The longest Russian word is an adjective: «электрофотополупроводниковый» with 28 letters. It's a scientific word, it means 'electrophotosemiconducting'.
There are at least 26 locations in the world that only have a single letter for its name. What is this? There are seven different villages in Denmark, Sweden, and Norway with the name Å, which means “river” in the Scandinavian languages. The name stems from Old Norse á which means “(small) river”.
LLANFAIRPWLLGWYNGYLLGOGERYCHWYRNDROBWLLLLANTYSILIOGOGOGOCH, WALES. This village on the Ynys Môn island off the north-west coast of Wales has 58 letters. It is the place with the second-longest name in the world. The original name of the village was Llanfair Pwllgwyngyll.
If you need to refer to the disease, pneumoconiosis is shorter and means much the same. Or you could use the popular terms silicosis or black lung.
The longest word that appears in a major English dictionary is Pneumonoultramicroscopicsilicovolcanoconiosis.